unikernel/duniverse/dune_/test/blackbox-tests/test-cases/action-modifying-a-dependency.t/run.t

@@ -0,0 +1,20 @@
+In this test the "x" alias depends on the file "data" but the action
+associated to "x" appends a line to "data". The expected behavior is
+an error from Dune telling the user that this is not allowed, however
+Dune currently silently ignores this.
+
+  $ echo hello > data
+  $ dune build @x
+  $ cat _build/default/data
+  hello
+  hello
+
+  $ dune build @x
+  $ cat _build/default/data
+  hello
+  hello
+
+  $ dune build @x
+  $ cat _build/default/data
+  hello
+  hello